Add Yahoo as a preferred source to see more of our stories on Google. he Mount Jackson Rhyolite Series vitrophyre at Gibbon River This photo shows the exposure of the Mount Jackson Rhyolite Series ...

Geoscientists have discovered a magma cap at Yellowstone National Park that is likely playing a critical role in preventing a massive eruption in one of the largest active volcanic systems in the ...

Will Yellowstone erupt or are we blowing things out of proportion? We may have underestimated Yellowstone’s potential to blow its stack in the future. Chinese scientists have made a disconcerting find ...

Supereruptions are extremely large volcanic eruptions that eject more than 1,000 cubic kilometers of magma, rock and ash. They are among the most hazardous geological events on Earth and have profound ...

U of U geology professor Robert B. Smith has made a 50-year career out of studying Yellowstone. He presents a lecture on the Yellowstone Supervolcano Wednesday, March 18, at 7:30 p.m. at the Skaggs ...

Scientists are tracking changes at the giant supervolcano that lies under Yellowstone National Park, but they say there's no need to worry at the moment. “The western part of the Yellowstone caldera ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Yellowstone Caldera Chronicles is a column written by scientists and collaborators of the ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Violet Turner and Faith Nolander, ...

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